The above Royal Mail Astronomy stamps were issued on 16 October 1990 by Royal Mail and feature the following stamp designs:
22p Armagh Observatory; 26p Herschel's Telescope; 31p Greenwich Observatory; 37p Stonehenge. The Armagh Observatory first day cover with the
Armagh, The Heavens Declare the Glory of God,
Special Handstamp
postmark
has been produced by Benham
and features these stamps which can make a very collectible and lovely gift.